Model A1297 Unibody: Early 2009, Mid 2009, Mid 2010 & Late 2011

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No power when plugged on AC

I have 3 different Magsafe adapter.

None will power up my Macbook Pro 17" Unibody 2010.

I could work on it until the battery went to 0%.

Is it a battery problem, or a more difficult power problem ?

I tried reset SMC twice.

Answered! View the answer I have this problem too

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If your battery drops below about 20% the unit will not power up from just the Mag-Safe adapter. Try to get a charge into the battery. Are you getting amber lights on the adapter when trying to charge?

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Thank you for your kind reply.

My battery had 852 cycles and is 55 %.

No amber light when Magsafe is plugged.

No charging of the battery (even before battery was totally discharged, I had a message on battery menu in Menu bar : Check you battery).

Problem is also that battery model seems very difficult to find.

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I replaced my old 15" MacBook Pro battery with an eBay knock-off. It had a plastic rather than aluminum cover, but aside from that, worked better than the first replacement I bought directly from Apple.

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i have also a macbook pro 15 in. A1286and the charge on the charger shows green 4 about a minute then it just goes away then still no charge on the macbook pro

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can any body help me with this one I really appreciated thank u

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jfhg will be eternally grateful.
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